"Sat, 06 Jul 2024 20:39:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240706
Only TIME
20:39:37
General datetime
2024-07-06 20:39:37Z
For Database
2024-07-06 20:39:37
For HTTP1.1
Sat, 06 Jul 2024 20:39:37 GMT